Handle locking mechanism for conveyor

The utility model relates to a handle locking mechanism for a conveyor, which comprises a shell, a first baffle and a spring are arranged in the shell, and a screw penetrates through the shell; the locking push button comprises a base and a push plate, the base is located in the shell and slidably connected with the shell, the push plate is located on the outer side of the shell and connected with the base through a connecting base, the connecting base is located in an opening in the shell, one end of the base is connected with a wedge block through a first connecting plate, and the other end of the base is connected with a second connecting plate; a wedge-shaped channel matched with the wedge-shaped block is arranged between the at least two extrusion blocks, the wedge-shaped block is in sliding connection with the wedge-shaped channel, a first protrusion is arranged on each extrusion block and clamped on one side of the first baffle, the slope side of the first protrusion makes contact with the slope side o